Add lightning message-signing support

diff --git a/src/cli.rs b/src/cli.rs
index 00d805bd2af08f218486a9170a1d027400c50383..9bc2ef1584d80acaea947d42c9223c63cc1f09a7 100644 (file)
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -8,7 +8,7 @@ use bitcoin::hashes::Hash;
 use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::key::PublicKey;
 use lightning::chain;
-use lightning::chain::keysinterface::KeysManager;
+use lightning::chain::keysinterface::{KeysInterface, KeysManager};
 use lightning::ln::features::InvoiceFeatures;
 use lightning::ln::msgs::NetAddress;
 use lightning::ln::{PaymentHash, PaymentSecret};
@@ -412,6 +412,24 @@ pub(crate) async fn poll_for_user_input(
                                }
                                "nodeinfo" => node_info(channel_manager.clone(), peer_manager.clone()),
                                "listpeers" => list_peers(peer_manager.clone()),
+                               "signmessage" => {
+                                       const MSG_STARTPOS: usize = "signmsg".len() + 1;
+                                       if line.as_bytes().len() <= MSG_STARTPOS {
+                                               println!("ERROR: signmsg requires a message");
+                                               print!("> ");
+                                               io::stdout().flush().unwrap();
+                                               continue;
+                                       }
+                                       println!(
+                                               "{:?}",
+                                               lightning::util::message_signing::sign(
+                                                       &line.as_bytes()[MSG_STARTPOS..],
+                                                       &keys_manager.get_node_secret()
+                                               )
+                                       );
+                                       print!("> ");
+                                       io::stdout().flush().unwrap();
+                               }
                                _ => println!("Unknown command. See `\"help\" for available commands."),
                        }
                }
@@ -431,6 +449,7 @@ fn help() {
        println!("forceclosechannel <channel_id>");
        println!("nodeinfo");
        println!("listpeers");
+       println!("signmessage <message>");
 }
 
 fn node_info(channel_manager: Arc<ChannelManager>, peer_manager: Arc<PeerManager>) {